code: def load_tests(loader, tests, ignore):
      tests.addTests(doctest.DocTestSuite(nlp))
      return tests
  
file_path: texthero/tests/test_nlp.py
imports: import pandas
  import numpy
  from texthero import nlp
  from .None import PandasTestCase
  import doctest
  import unittest
  import string
label_desc: Use image node_id 1 for calling a global function with example usage: load_tests(loader, tests, ignore) and returns: tests